TestSwapPromiseResult 4861 cc/trees/layer_tree_host_unittest.cc TestSwapPromiseResult() TestSwapPromiseResult 4876 cc/trees/layer_tree_host_unittest.cc explicit TestSwapPromise(TestSwapPromiseResult* result) : result_(result) {} TestSwapPromiseResult 4900 cc/trees/layer_tree_host_unittest.cc TestSwapPromiseResult* result_; TestSwapPromiseResult 4971 cc/trees/layer_tree_host_unittest.cc TestSwapPromiseResult swap_promise_result_[3];